225005533 has 4 divisors (see below), whose sum is σ = 232263808. Its totient is φ = 217747260.

The previous prime is 225005513. The next prime is 225005549. The reversal of 225005533 is 335500522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225005533 - 2²¹ = 222908381 is a prime.

It is a super-2 number, since 2×225005533² = 101254979761228178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225005498 and 225005507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225005503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629091 + ... + 3629152.

It is an arithmetic number, because the mean of its divisors is an integer number (58065952).

Almost surely, 2^225005533 is an apocalyptic number.

It is an amenable number.

225005533 is a deficient number, since it is larger than the sum of its proper divisors (7258275).

225005533 is an equidigital number, since it uses as much as digits as its factorization.

225005533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258274.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 225005533 is about 15000.1844321995. The cubic root of 225005533 is about 608.2251851200.

The spelling of 225005533 in words is "two hundred twenty-five million, five thousand, five hundred thirty-three".